Finding the Fourth Proportional to 107,155.02, 147,875.28 and 61,842.42

Step by Step Solution

1. Step 1: Write the proportion equation
   107,155.02 : 147,875.28 = 61,842.42 : x
2. Step 2: Convert to fraction form
   107,155.02/147,875.28 = 61,842.42/x
3. Step 3: Cross multiply
   107,155.02x = 147,875.28 × 61,842.42
4. Step 4: Simplify right side
   107,155.02x = 9,144,965,173.38
5. Step 5: Solve for x
   x = 9,144,965,173.38/107,155.02
6. Step 6: Final answer
   x = 85,343.32