Finding the Fourth Proportional to 152,458.39, 228,897.05 and 77,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,458.39 : 228,897.05 = 77,628.82 : x
2. Step 2: Convert to fraction form
   152,458.39/228,897.05 = 77,628.82/x
3. Step 3: Cross multiply
   152,458.39x = 228,897.05 × 77,628.82
4. Step 4: Simplify right side
   152,458.39x = 17,769,007,892.98
5. Step 5: Solve for x
   x = 17,769,007,892.98/152,458.39
6. Step 6: Final answer
   x = 116,549.89