Finding the Fourth Proportional to 1,566,287.72, 2,349,433.59 and 429,059.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,287.72 : 2,349,433.59 = 429,059.93 : x
2. Step 2: Convert to fraction form
   1,566,287.72/2,349,433.59 = 429,059.93/x
3. Step 3: Cross multiply
   1,566,287.72x = 2,349,433.59 × 429,059.93
4. Step 4: Simplify right side
   1,566,287.72x = 1,008,047,799,917.88
5. Step 5: Solve for x
   x = 1,008,047,799,917.88/1,566,287.72
6. Step 6: Final answer
   x = 643,590.44