Finding the Fourth Proportional to 89,791.55, 134,688.00 and 39,858.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,791.55 : 134,688.00 = 39,858.22 : x
2. Step 2: Convert to fraction form
   89,791.55/134,688.00 = 39,858.22/x
3. Step 3: Cross multiply
   89,791.55x = 134,688.00 × 39,858.22
4. Step 4: Simplify right side
   89,791.55x = 5,368,423,736.07
5. Step 5: Solve for x
   x = 5,368,423,736.07/89,791.55
6. Step 6: Final answer
   x = 59,787.63