Finding the Fourth Proportional to 1,013,667.86, 1,398,865.34 and 548,521.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,667.86 : 1,398,865.34 = 548,521.74 : x
2. Step 2: Convert to fraction form
   1,013,667.86/1,398,865.34 = 548,521.74/x
3. Step 3: Cross multiply
   1,013,667.86x = 1,398,865.34 × 548,521.74
4. Step 4: Simplify right side
   1,013,667.86x = 767,308,043,328.17
5. Step 5: Solve for x
   x = 767,308,043,328.17/1,013,667.86
6. Step 6: Final answer
   x = 756,961.99