Finding the Fourth Proportional to 61,066.22, 91,692.28 and 58,059.08

Step by Step Solution

1. Step 1: Write the proportion equation
   61,066.22 : 91,692.28 = 58,059.08 : x
2. Step 2: Convert to fraction form
   61,066.22/91,692.28 = 58,059.08/x
3. Step 3: Cross multiply
   61,066.22x = 91,692.28 × 58,059.08
4. Step 4: Simplify right side
   61,066.22x = 5,323,569,419.90
5. Step 5: Solve for x
   x = 5,323,569,419.90/61,066.22
6. Step 6: Final answer
   x = 87,176.99