Finding the Fourth Proportional to 56,087,806.36, 83,959,309.60 and 47,813,500.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,087,806.36 : 83,959,309.60 = 47,813,500.72 : x
2. Step 2: Convert to fraction form
   56,087,806.36/83,959,309.60 = 47,813,500.72/x
3. Step 3: Cross multiply
   56,087,806.36x = 83,959,309.60 × 47,813,500.72
4. Step 4: Simplify right side
   56,087,806.36x = 4,014,388,510,010,302.50
5. Step 5: Solve for x
   x = 4,014,388,510,010,302.50/56,087,806.36
6. Step 6: Final answer
   x = 71,573,284.29