Finding the Fourth Proportional to 42,880,272.88, 64,323,208.70 and 31,400,097.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,880,272.88 : 64,323,208.70 = 31,400,097.52 : x
2. Step 2: Convert to fraction form
   42,880,272.88/64,323,208.70 = 31,400,097.52/x
3. Step 3: Cross multiply
   42,880,272.88x = 64,323,208.70 × 31,400,097.52
4. Step 4: Simplify right side
   42,880,272.88x = 2,019,755,025,979,312.50
5. Step 5: Solve for x
   x = 2,019,755,025,979,312.50/42,880,272.88
6. Step 6: Final answer
   x = 47,102,196.19