Finding the Fourth Proportional to 921,867.01, 1,272,171.89 and 534,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   921,867.01 : 1,272,171.89 = 534,760.72 : x
2. Step 2: Convert to fraction form
   921,867.01/1,272,171.89 = 534,760.72/x
3. Step 3: Cross multiply
   921,867.01x = 1,272,171.89 × 534,760.72
4. Step 4: Simplify right side
   921,867.01x = 680,307,554,016.63
5. Step 5: Solve for x
   x = 680,307,554,016.63/921,867.01
6. Step 6: Final answer
   x = 737,967.13