Finding the Fourth Proportional to 162,051.18, 223,630.29 and 90,426.93

Step by Step Solution

1. Step 1: Write the proportion equation
   162,051.18 : 223,630.29 = 90,426.93 : x
2. Step 2: Convert to fraction form
   162,051.18/223,630.29 = 90,426.93/x
3. Step 3: Cross multiply
   162,051.18x = 223,630.29 × 90,426.93
4. Step 4: Simplify right side
   162,051.18x = 20,222,200,579.71
5. Step 5: Solve for x
   x = 20,222,200,579.71/162,051.18
6. Step 6: Final answer
   x = 124,788.97