Finding the Fourth Proportional to 82,518,196.16, 123,781,405.80 and 31,404,176.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,518,196.16 : 123,781,405.80 = 31,404,176.48 : x
2. Step 2: Convert to fraction form
   82,518,196.16/123,781,405.80 = 31,404,176.48/x
3. Step 3: Cross multiply
   82,518,196.16x = 123,781,405.80 × 31,404,176.48
4. Step 4: Simplify right side
   82,518,196.16x = 3,887,253,112,685,695.50
5. Step 5: Solve for x
   x = 3,887,253,112,685,695.50/82,518,196.16
6. Step 6: Final answer
   x = 47,107,829.47