Finding the Fourth Proportional to 1,103,667.66, 1,523,196.63 and 620,253.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,667.66 : 1,523,196.63 = 620,253.18 : x
2. Step 2: Convert to fraction form
   1,103,667.66/1,523,196.63 = 620,253.18/x
3. Step 3: Cross multiply
   1,103,667.66x = 1,523,196.63 × 620,253.18
4. Step 4: Simplify right side
   1,103,667.66x = 944,767,553,522.78
5. Step 5: Solve for x
   x = 944,767,553,522.78/1,103,667.66
6. Step 6: Final answer
   x = 856,025.40