Finding the Fourth Proportional to 1,426,123.18, 1,968,065.46 and 781,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,123.18 : 1,968,065.46 = 781,529.50 : x
2. Step 2: Convert to fraction form
   1,426,123.18/1,968,065.46 = 781,529.50/x
3. Step 3: Cross multiply
   1,426,123.18x = 1,968,065.46 × 781,529.50
4. Step 4: Simplify right side
   1,426,123.18x = 1,538,101,214,921.07
5. Step 5: Solve for x
   x = 1,538,101,214,921.07/1,426,123.18
6. Step 6: Final answer
   x = 1,078,519.19