Finding the Fourth Proportional to 929,100.78, 1,392,476.27 and 529,967.21

Step by Step Solution

1. Step 1: Write the proportion equation
   929,100.78 : 1,392,476.27 = 529,967.21 : x
2. Step 2: Convert to fraction form
   929,100.78/1,392,476.27 = 529,967.21/x
3. Step 3: Cross multiply
   929,100.78x = 1,392,476.27 × 529,967.21
4. Step 4: Simplify right side
   929,100.78x = 737,966,754,190.89
5. Step 5: Solve for x
   x = 737,966,754,190.89/929,100.78
6. Step 6: Final answer
   x = 794,280.63