Finding the Fourth Proportional to 92,173,773.27, 138,164,082.28 and 42,949,043.36

Step by Step Solution

1. Step 1: Write the proportion equation
   92,173,773.27 : 138,164,082.28 = 42,949,043.36 : x
2. Step 2: Convert to fraction form
   92,173,773.27/138,164,082.28 = 42,949,043.36/x
3. Step 3: Cross multiply
   92,173,773.27x = 138,164,082.28 × 42,949,043.36
4. Step 4: Simplify right side
   92,173,773.27x = 5,934,015,160,638,328
5. Step 5: Solve for x
   x = 5,934,015,160,638,328/92,173,773.27
6. Step 6: Final answer
   x = 64,378,563.99