Finding the Fourth Proportional to 141,223.02, 194,897.30 and 77,561.47

Step by Step Solution

1. Step 1: Write the proportion equation
   141,223.02 : 194,897.30 = 77,561.47 : x
2. Step 2: Convert to fraction form
   141,223.02/194,897.30 = 77,561.47/x
3. Step 3: Cross multiply
   141,223.02x = 194,897.30 × 77,561.47
4. Step 4: Simplify right side
   141,223.02x = 15,116,521,087.03
5. Step 5: Solve for x
   x = 15,116,521,087.03/141,223.02
6. Step 6: Final answer
   x = 107,040.06