Finding the Fourth Proportional to 136,061.69, 187,767.38 and 74,810.46

Step by Step Solution

1. Step 1: Write the proportion equation
   136,061.69 : 187,767.38 = 74,810.46 : x
2. Step 2: Convert to fraction form
   136,061.69/187,767.38 = 74,810.46/x
3. Step 3: Cross multiply
   136,061.69x = 187,767.38 × 74,810.46
4. Step 4: Simplify right side
   136,061.69x = 14,046,963,696.74
5. Step 5: Solve for x
   x = 14,046,963,696.74/136,061.69
6. Step 6: Final answer
   x = 103,239.67