Finding the Fourth Proportional to 107,157.19, 147,915.18 and 73,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,157.19 : 147,915.18 = 73,141.31 : x
2. Step 2: Convert to fraction form
   107,157.19/147,915.18 = 73,141.31/x
3. Step 3: Cross multiply
   107,157.19x = 147,915.18 × 73,141.31
4. Step 4: Simplify right side
   107,157.19x = 10,818,710,246.15
5. Step 5: Solve for x
   x = 10,818,710,246.15/107,157.19
6. Step 6: Final answer
   x = 100,961.12