Finding the Fourth Proportional to 1,566,288.47, 2,349,434.72 and 429,060.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,288.47 : 2,349,434.72 = 429,060.67 : x
2. Step 2: Convert to fraction form
   1,566,288.47/2,349,434.72 = 429,060.67/x
3. Step 3: Cross multiply
   1,566,288.47x = 2,349,434.72 × 429,060.67
4. Step 4: Simplify right side
   1,566,288.47x = 1,008,050,030,283.53
5. Step 5: Solve for x
   x = 1,008,050,030,283.53/1,566,288.47
6. Step 6: Final answer
   x = 643,591.55