Finding the Fourth Proportional to 1,230,061.59, 1,845,341.46 and 520,088.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,061.59 : 1,845,341.46 = 520,088.49 : x
2. Step 2: Convert to fraction form
   1,230,061.59/1,845,341.46 = 520,088.49/x
3. Step 3: Cross multiply
   1,230,061.59x = 1,845,341.46 × 520,088.49
4. Step 4: Simplify right side
   1,230,061.59x = 959,740,853,465.80
5. Step 5: Solve for x
   x = 959,740,853,465.80/1,230,061.59
6. Step 6: Final answer
   x = 780,238.05