Finding the Fourth Proportional to 109,991.25, 151,788.06 and 59,690.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,991.25 : 151,788.06 = 59,690.25 : x
2. Step 2: Convert to fraction form
   109,991.25/151,788.06 = 59,690.25/x
3. Step 3: Cross multiply
   109,991.25x = 151,788.06 × 59,690.25
4. Step 4: Simplify right side
   109,991.25x = 9,060,267,248.42
5. Step 5: Solve for x
   x = 9,060,267,248.42/109,991.25
6. Step 6: Final answer
   x = 82,372.62