Finding the Fourth Proportional to 37,390.72, 56,085.62 and 9,311.00

Step by Step Solution

1. Step 1: Write the proportion equation
   37,390.72 : 56,085.62 = 9,311.00 : x
2. Step 2: Convert to fraction form
   37,390.72/56,085.62 = 9,311.00/x
3. Step 3: Cross multiply
   37,390.72x = 56,085.62 × 9,311.00
4. Step 4: Simplify right side
   37,390.72x = 522,213,301.48
5. Step 5: Solve for x
   x = 522,213,301.48/37,390.72
6. Step 6: Final answer
   x = 13,966.39