Finding the Fourth Proportional to 521,150.52, 719,180.86 and 294,796.02

Step by Step Solution

1. Step 1: Write the proportion equation
   521,150.52 : 719,180.86 = 294,796.02 : x
2. Step 2: Convert to fraction form
   521,150.52/719,180.86 = 294,796.02/x
3. Step 3: Cross multiply
   521,150.52x = 719,180.86 × 294,796.02
4. Step 4: Simplify right side
   521,150.52x = 212,011,655,188.18
5. Step 5: Solve for x
   x = 212,011,655,188.18/521,150.52
6. Step 6: Final answer
   x = 406,814.63