Finding the Fourth Proportional to 83,312.30, 114,970.52 and 45,071.74

Step by Step Solution

1. Step 1: Write the proportion equation
   83,312.30 : 114,970.52 = 45,071.74 : x
2. Step 2: Convert to fraction form
   83,312.30/114,970.52 = 45,071.74/x
3. Step 3: Cross multiply
   83,312.30x = 114,970.52 × 45,071.74
4. Step 4: Simplify right side
   83,312.30x = 5,181,921,385.10
5. Step 5: Solve for x
   x = 5,181,921,385.10/83,312.30
6. Step 6: Final answer
   x = 62,198.76