Finding the Fourth Proportional to 79,607,799.60, 109,863,285.38 and 47,827,689.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,607,799.60 : 109,863,285.38 = 47,827,689.31 : x
2. Step 2: Convert to fraction form
   79,607,799.60/109,863,285.38 = 47,827,689.31/x
3. Step 3: Cross multiply
   79,607,799.60x = 109,863,285.38 × 47,827,689.31
4. Step 4: Simplify right side
   79,607,799.60x = 5,254,507,079,730,505
5. Step 5: Solve for x
   x = 5,254,507,079,730,505/79,607,799.60
6. Step 6: Final answer
   x = 66,004,927.99