Finding the Fourth Proportional to 473,221.42, 653,061 and 258,377.82

Step by Step Solution

1. Step 1: Write the proportion equation
   473,221.42 : 653,061 = 258,377.82 : x
2. Step 2: Convert to fraction form
   473,221.42/653,061 = 258,377.82/x
3. Step 3: Cross multiply
   473,221.42x = 653,061 × 258,377.82
4. Step 4: Simplify right side
   473,221.42x = 168,736,477,507.02
5. Step 5: Solve for x
   x = 168,736,477,507.02/473,221.42
6. Step 6: Final answer
   x = 356,569.82