Finding the Fourth Proportional to 141,663.39, 195,495.69 and 78,001.37

Step by Step Solution

1. Step 1: Write the proportion equation
   141,663.39 : 195,495.69 = 78,001.37 : x
2. Step 2: Convert to fraction form
   141,663.39/195,495.69 = 78,001.37/x
3. Step 3: Cross multiply
   141,663.39x = 195,495.69 × 78,001.37
4. Step 4: Simplify right side
   141,663.39x = 15,248,931,649.10
5. Step 5: Solve for x
   x = 15,248,931,649.10/141,663.39
6. Step 6: Final answer
   x = 107,642.01