Finding the Fourth Proportional to 921,484.42, 1,381,656.39 and 359,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   921,484.42 : 1,381,656.39 = 359,858.50 : x
2. Step 2: Convert to fraction form
   921,484.42/1,381,656.39 = 359,858.50/x
3. Step 3: Cross multiply
   921,484.42x = 1,381,656.39 × 359,858.50
4. Step 4: Simplify right side
   921,484.42x = 497,200,796,020.82
5. Step 5: Solve for x
   x = 497,200,796,020.82/921,484.42
6. Step 6: Final answer
   x = 539,565.06