Finding the Fourth Proportional to 8,733,877,061.46, 13,087,484,602.47 and 5,185,631,284.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,733,877,061.46 : 13,087,484,602.47 = 5,185,631,284.65 : x
2. Step 2: Convert to fraction form
   8,733,877,061.46/13,087,484,602.47 = 5,185,631,284.65/x
3. Step 3: Cross multiply
   8,733,877,061.46x = 13,087,484,602.47 × 5,185,631,284.65
4. Step 4: Simplify right side
   8,733,877,061.46x = 67,866,869,591,888,543,744
5. Step 5: Solve for x
   x = 67,866,869,591,888,543,744/8,733,877,061.46
6. Step 6: Final answer
   x = 7,770,531,817.00