Finding the Fourth Proportional to 61,098.09, 91,047.11 and 59,091.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,098.09 : 91,047.11 = 59,091.31 : x
2. Step 2: Convert to fraction form
   61,098.09/91,047.11 = 59,091.31/x
3. Step 3: Cross multiply
   61,098.09x = 91,047.11 × 59,091.31
4. Step 4: Simplify right side
   61,098.09x = 5,380,093,001.61
5. Step 5: Solve for x
   x = 5,380,093,001.61/61,098.09
6. Step 6: Final answer
   x = 88,056.65