Finding the Fourth Proportional to 931,058.72, 1,397,200.53 and 510,629.84

Step by Step Solution

1. Step 1: Write the proportion equation
   931,058.72 : 1,397,200.53 = 510,629.84 : x
2. Step 2: Convert to fraction form
   931,058.72/1,397,200.53 = 510,629.84/x
3. Step 3: Cross multiply
   931,058.72x = 1,397,200.53 × 510,629.84
4. Step 4: Simplify right side
   931,058.72x = 713,452,283,081.82
5. Step 5: Solve for x
   x = 713,452,283,081.82/931,058.72
6. Step 6: Final answer
   x = 766,280.65