Finding the Fourth Proportional to 1,405,459.32, 1,939,543.89 and 760,881.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,459.32 : 1,939,543.89 = 760,881.15 : x
2. Step 2: Convert to fraction form
   1,405,459.32/1,939,543.89 = 760,881.15/x
3. Step 3: Cross multiply
   1,405,459.32x = 1,939,543.89 × 760,881.15
4. Step 4: Simplify right side
   1,405,459.32x = 1,475,762,385,498.67
5. Step 5: Solve for x
   x = 1,475,762,385,498.67/1,405,459.32
6. Step 6: Final answer
   x = 1,050,021.42