Finding the Fourth Proportional to 136,945.42, 188,970.83 and 93,961.91

Step by Step Solution

1. Step 1: Write the proportion equation
   136,945.42 : 188,970.83 = 93,961.91 : x
2. Step 2: Convert to fraction form
   136,945.42/188,970.83 = 93,961.91/x
3. Step 3: Cross multiply
   136,945.42x = 188,970.83 × 93,961.91
4. Step 4: Simplify right side
   136,945.42x = 17,756,060,476.06
5. Step 5: Solve for x
   x = 17,756,060,476.06/136,945.42
6. Step 6: Final answer
   x = 129,657.94