Finding the Fourth Proportional to 530,100.10, 740,565.50 and 530,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   530,100.10 : 740,565.50 = 530,100.10 : x
2. Step 2: Convert to fraction form
   530,100.10/740,565.50 = 530,100.10/x
3. Step 3: Cross multiply
   530,100.10x = 740,565.50 × 530,100.10
4. Step 4: Simplify right side
   530,100.10x = 392,573,845,606.55
5. Step 5: Solve for x
   x = 392,573,845,606.55/530,100.10
6. Step 6: Final answer
   x = 740,565.50