Finding the Fourth Proportional to 1,009,978.20, 1,514,965.32 and 588,958.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,978.20 : 1,514,965.32 = 588,958.80 : x
2. Step 2: Convert to fraction form
   1,009,978.20/1,514,965.32 = 588,958.80/x
3. Step 3: Cross multiply
   1,009,978.20x = 1,514,965.32 × 588,958.80
4. Step 4: Simplify right side
   1,009,978.20x = 892,252,156,908.82
5. Step 5: Solve for x
   x = 892,252,156,908.82/1,009,978.20
6. Step 6: Final answer
   x = 883,437.05