Finding the Fourth Proportional to 1,434,795.69, 1,980,107.60 and 790,215.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,795.69 : 1,980,107.60 = 790,215.72 : x
2. Step 2: Convert to fraction form
   1,434,795.69/1,980,107.60 = 790,215.72/x
3. Step 3: Cross multiply
   1,434,795.69x = 1,980,107.60 × 790,215.72
4. Step 4: Simplify right side
   1,434,795.69x = 1,564,712,152,811.47
5. Step 5: Solve for x
   x = 1,564,712,152,811.47/1,434,795.69
6. Step 6: Final answer
   x = 1,090,547.01