Finding the Fourth Proportional to 92,173,772.27, 138,164,080.79 and 42,949,042.36

Step by Step Solution

1. Step 1: Write the proportion equation
   92,173,772.27 : 138,164,080.79 = 42,949,042.36 : x
2. Step 2: Convert to fraction form
   92,173,772.27/138,164,080.79 = 42,949,042.36/x
3. Step 3: Cross multiply
   92,173,772.27x = 138,164,080.79 × 42,949,042.36
4. Step 4: Simplify right side
   92,173,772.27x = 5,934,014,957,574,606
5. Step 5: Solve for x
   x = 5,934,014,957,574,606/92,173,772.27
6. Step 6: Final answer
   x = 64,378,562.49