Finding the Fourth Proportional to 10,426.83, 15,601.01 and 7,312.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.83 : 15,601.01 = 7,312.91 : x
2. Step 2: Convert to fraction form
   10,426.83/15,601.01 = 7,312.91/x
3. Step 3: Cross multiply
   10,426.83x = 15,601.01 × 7,312.91
4. Step 4: Simplify right side
   10,426.83x = 114,088,784.48
5. Step 5: Solve for x
   x = 114,088,784.48/10,426.83
6. Step 6: Final answer
   x = 10,941.85