Finding the Fourth Proportional to 99,773.37, 149,654.59 and 60,319.89

Step by Step Solution

1. Step 1: Write the proportion equation
   99,773.37 : 149,654.59 = 60,319.89 : x
2. Step 2: Convert to fraction form
   99,773.37/149,654.59 = 60,319.89/x
3. Step 3: Cross multiply
   99,773.37x = 149,654.59 × 60,319.89
4. Step 4: Simplify right side
   99,773.37x = 9,027,148,256.00
5. Step 5: Solve for x
   x = 9,027,148,256.00/99,773.37
6. Step 6: Final answer
   x = 90,476.53