Finding the Fourth Proportional to 91,499.51, 137,249.51 and 59,936.04

Step by Step Solution

1. Step 1: Write the proportion equation
   91,499.51 : 137,249.51 = 59,936.04 : x
2. Step 2: Convert to fraction form
   91,499.51/137,249.51 = 59,936.04/x
3. Step 3: Cross multiply
   91,499.51x = 137,249.51 × 59,936.04
4. Step 4: Simplify right side
   91,499.51x = 8,226,191,821.66
5. Step 5: Solve for x
   x = 8,226,191,821.66/91,499.51
6. Step 6: Final answer
   x = 89,904.21