Finding the Fourth Proportional to 77,897.68, 116,799.72 and 30,456.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,897.68 : 116,799.72 = 30,456.25 : x
2. Step 2: Convert to fraction form
   77,897.68/116,799.72 = 30,456.25/x
3. Step 3: Cross multiply
   77,897.68x = 116,799.72 × 30,456.25
4. Step 4: Simplify right side
   77,897.68x = 3,557,281,472.25
5. Step 5: Solve for x
   x = 3,557,281,472.25/77,897.68
6. Step 6: Final answer
   x = 45,666.08