Finding the Fourth Proportional to 81,491,978.28, 112,425,742.83 and 46,202,351.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,491,978.28 : 112,425,742.83 = 46,202,351.88 : x
2. Step 2: Convert to fraction form
   81,491,978.28/112,425,742.83 = 46,202,351.88/x
3. Step 3: Cross multiply
   81,491,978.28x = 112,425,742.83 × 46,202,351.88
4. Step 4: Simplify right side
   81,491,978.28x = 5,194,333,730,602,047
5. Step 5: Solve for x
   x = 5,194,333,730,602,047/81,491,978.28
6. Step 6: Final answer
   x = 63,740,429.92