Finding the Fourth Proportional to 559,809.31, 772,061.47 and 473,019.63

Step by Step Solution

1. Step 1: Write the proportion equation
   559,809.31 : 772,061.47 = 473,019.63 : x
2. Step 2: Convert to fraction form
   559,809.31/772,061.47 = 473,019.63/x
3. Step 3: Cross multiply
   559,809.31x = 772,061.47 × 473,019.63
4. Step 4: Simplify right side
   559,809.31x = 365,200,230,876.66
5. Step 5: Solve for x
   x = 365,200,230,876.66/559,809.31
6. Step 6: Final answer
   x = 652,365.41