Finding the Fourth Proportional to 469,012.79, 700,086.82 and 402,877.91

Step by Step Solution

1. Step 1: Write the proportion equation
   469,012.79 : 700,086.82 = 402,877.91 : x
2. Step 2: Convert to fraction form
   469,012.79/700,086.82 = 402,877.91/x
3. Step 3: Cross multiply
   469,012.79x = 700,086.82 × 402,877.91
4. Step 4: Simplify right side
   469,012.79x = 282,049,514,860.15
5. Step 5: Solve for x
   x = 282,049,514,860.15/469,012.79
6. Step 6: Final answer
   x = 601,368.49