Finding the Fourth Proportional to 61,097.09, 91,045.62 and 59,090.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,097.09 : 91,045.62 = 59,090.31 : x
2. Step 2: Convert to fraction form
   61,097.09/91,045.62 = 59,090.31/x
3. Step 3: Cross multiply
   61,097.09x = 91,045.62 × 59,090.31
4. Step 4: Simplify right side
   61,097.09x = 5,379,913,909.94
5. Step 5: Solve for x
   x = 5,379,913,909.94/61,097.09
6. Step 6: Final answer
   x = 88,055.17