Finding the Fourth Proportional to 109,547.32, 151,038.34 and 91,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,547.32 : 151,038.34 = 91,424.12 : x
2. Step 2: Convert to fraction form
   109,547.32/151,038.34 = 91,424.12/x
3. Step 3: Cross multiply
   109,547.32x = 151,038.34 × 91,424.12
4. Step 4: Simplify right side
   109,547.32x = 13,808,547,320.76
5. Step 5: Solve for x
   x = 13,808,547,320.76/109,547.32
6. Step 6: Final answer
   x = 126,050.98