Finding the Fourth Proportional to 100,111.03, 138,139.58 and 59,816.27

Step by Step Solution

1. Step 1: Write the proportion equation
   100,111.03 : 138,139.58 = 59,816.27 : x
2. Step 2: Convert to fraction form
   100,111.03/138,139.58 = 59,816.27/x
3. Step 3: Cross multiply
   100,111.03x = 138,139.58 × 59,816.27
4. Step 4: Simplify right side
   100,111.03x = 8,262,994,909.86
5. Step 5: Solve for x
   x = 8,262,994,909.86/100,111.03
6. Step 6: Final answer
   x = 82,538.31