Finding the Fourth Proportional to 84,485,399.92, 116,569,868.72 and 47,815,970.88

Step by Step Solution

1. Step 1: Write the proportion equation
   84,485,399.92 : 116,569,868.72 = 47,815,970.88 : x
2. Step 2: Convert to fraction form
   84,485,399.92/116,569,868.72 = 47,815,970.88/x
3. Step 3: Cross multiply
   84,485,399.92x = 116,569,868.72 × 47,815,970.88
4. Step 4: Simplify right side
   84,485,399.92x = 5,573,901,448,200,943
5. Step 5: Solve for x
   x = 5,573,901,448,200,943/84,485,399.92
6. Step 6: Final answer
   x = 65,974,729.99