Finding the Fourth Proportional to 64,839,545.62, 89,480,687.72 and 35,470,878.18

Step by Step Solution

1. Step 1: Write the proportion equation
   64,839,545.62 : 89,480,687.72 = 35,470,878.18 : x
2. Step 2: Convert to fraction form
   64,839,545.62/89,480,687.72 = 35,470,878.18/x
3. Step 3: Cross multiply
   64,839,545.62x = 89,480,687.72 × 35,470,878.18
4. Step 4: Simplify right side
   64,839,545.62x = 3,173,958,573,065,835.50
5. Step 5: Solve for x
   x = 3,173,958,573,065,835.50/64,839,545.62
6. Step 6: Final answer
   x = 48,950,968.78