Finding the Fourth Proportional to 1,158,429.52, 1,737,458.38 and 316,784.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,429.52 : 1,737,458.38 = 316,784.44 : x
2. Step 2: Convert to fraction form
   1,158,429.52/1,737,458.38 = 316,784.44/x
3. Step 3: Cross multiply
   1,158,429.52x = 1,737,458.38 × 316,784.44
4. Step 4: Simplify right side
   1,158,429.52x = 550,399,779,931.61
5. Step 5: Solve for x
   x = 550,399,779,931.61/1,158,429.52
6. Step 6: Final answer
   x = 475,125.82