Finding the Fourth Proportional to 109,485.69, 151,090.01 and 61,738.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109,485.69 : 151,090.01 = 61,738.71 : x
2. Step 2: Convert to fraction form
   109,485.69/151,090.01 = 61,738.71/x
3. Step 3: Cross multiply
   109,485.69x = 151,090.01 × 61,738.71
4. Step 4: Simplify right side
   109,485.69x = 9,328,101,667.53
5. Step 5: Solve for x
   x = 9,328,101,667.53/109,485.69
6. Step 6: Final answer
   x = 85,199.28