Finding the Fourth Proportional to 1,435,063.32, 1,980,378.18 and 790,468.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,063.32 : 1,980,378.18 = 790,468.56 : x
2. Step 2: Convert to fraction form
   1,435,063.32/1,980,378.18 = 790,468.56/x
3. Step 3: Cross multiply
   1,435,063.32x = 1,980,378.18 × 790,468.56
4. Step 4: Simplify right side
   1,435,063.32x = 1,565,426,688,200.02
5. Step 5: Solve for x
   x = 1,565,426,688,200.02/1,435,063.32
6. Step 6: Final answer
   x = 1,090,841.54