Finding the Fourth Proportional to 81,513.06, 112,488.02 and 45,703.07

Step by Step Solution

1. Step 1: Write the proportion equation
   81,513.06 : 112,488.02 = 45,703.07 : x
2. Step 2: Convert to fraction form
   81,513.06/112,488.02 = 45,703.07/x
3. Step 3: Cross multiply
   81,513.06x = 112,488.02 × 45,703.07
4. Step 4: Simplify right side
   81,513.06x = 5,141,047,061.27
5. Step 5: Solve for x
   x = 5,141,047,061.27/81,513.06
6. Step 6: Final answer
   x = 63,070.23