Finding the Fourth Proportional to 521,108.31, 781,725.52 and 184,080.00

Step by Step Solution

1. Step 1: Write the proportion equation
   521,108.31 : 781,725.52 = 184,080.00 : x
2. Step 2: Convert to fraction form
   521,108.31/781,725.52 = 184,080.00/x
3. Step 3: Cross multiply
   521,108.31x = 781,725.52 × 184,080.00
4. Step 4: Simplify right side
   521,108.31x = 143,900,036,883.17
5. Step 5: Solve for x
   x = 143,900,036,883.17/521,108.31
6. Step 6: Final answer
   x = 276,142.28