Finding the Fourth Proportional to 1,142,809.10, 1,603,250.50 and 1,142,809.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,809.10 : 1,603,250.50 = 1,142,809.10 : x
2. Step 2: Convert to fraction form
   1,142,809.10/1,603,250.50 = 1,142,809.10/x
3. Step 3: Cross multiply
   1,142,809.10x = 1,603,250.50 × 1,142,809.10
4. Step 4: Simplify right side
   1,142,809.10x = 1,832,209,260,979.55
5. Step 5: Solve for x
   x = 1,832,209,260,979.55/1,142,809.10
6. Step 6: Final answer
   x = 1,603,250.50