Finding the Fourth Proportional to 745,008.89, 1,117,524.04 and 212,529.98

Step by Step Solution

1. Step 1: Write the proportion equation
   745,008.89 : 1,117,524.04 = 212,529.98 : x
2. Step 2: Convert to fraction form
   745,008.89/1,117,524.04 = 212,529.98/x
3. Step 3: Cross multiply
   745,008.89x = 1,117,524.04 × 212,529.98
4. Step 4: Simplify right side
   745,008.89x = 237,507,359,042.61
5. Step 5: Solve for x
   x = 237,507,359,042.61/745,008.89
6. Step 6: Final answer
   x = 318,798.02