Finding the Fourth Proportional to 77,401,458.27, 116,102,426.16 and 19,109,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   77,401,458.27 : 116,102,426.16 = 19,109,142.96 : x
2. Step 2: Convert to fraction form
   77,401,458.27/116,102,426.16 = 19,109,142.96/x
3. Step 3: Cross multiply
   77,401,458.27x = 116,102,426.16 × 19,109,142.96
4. Step 4: Simplify right side
   77,401,458.27x = 2,218,617,859,494,283.75
5. Step 5: Solve for x
   x = 2,218,617,859,494,283.75/77,401,458.27
6. Step 6: Final answer
   x = 28,663,773.38