Finding the Fourth Proportional to 136,978.53, 205,532.96 and 94,923.33

Step by Step Solution

1. Step 1: Write the proportion equation
   136,978.53 : 205,532.96 = 94,923.33 : x
2. Step 2: Convert to fraction form
   136,978.53/205,532.96 = 94,923.33/x
3. Step 3: Cross multiply
   136,978.53x = 205,532.96 × 94,923.33
4. Step 4: Simplify right side
   136,978.53x = 19,509,872,513.34
5. Step 5: Solve for x
   x = 19,509,872,513.34/136,978.53
6. Step 6: Final answer
   x = 142,430.15