Finding the Fourth Proportional to 478,521.07, 717,784.32 and 123,510.82

Step by Step Solution

1. Step 1: Write the proportion equation
   478,521.07 : 717,784.32 = 123,510.82 : x
2. Step 2: Convert to fraction form
   478,521.07/717,784.32 = 123,510.82/x
3. Step 3: Cross multiply
   478,521.07x = 717,784.32 × 123,510.82
4. Step 4: Simplify right side
   478,521.07x = 88,654,129,946.34
5. Step 5: Solve for x
   x = 88,654,129,946.34/478,521.07
6. Step 6: Final answer
   x = 185,266.93