Finding the Fourth Proportional to 530,307.16, 732,561.83 and 510,621.05

Step by Step Solution

1. Step 1: Write the proportion equation
   530,307.16 : 732,561.83 = 510,621.05 : x
2. Step 2: Convert to fraction form
   530,307.16/732,561.83 = 510,621.05/x
3. Step 3: Cross multiply
   530,307.16x = 732,561.83 × 510,621.05
4. Step 4: Simplify right side
   530,307.16x = 374,061,490,824.52
5. Step 5: Solve for x
   x = 374,061,490,824.52/530,307.16
6. Step 6: Final answer
   x = 705,367.60