Finding the Fourth Proportional to 77,853,186.96, 107,436,215.73 and 42,571,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,853,186.96 : 107,436,215.73 = 42,571,104.72 : x
2. Step 2: Convert to fraction form
   77,853,186.96/107,436,215.73 = 42,571,104.72/x
3. Step 3: Cross multiply
   77,853,186.96x = 107,436,215.73 × 42,571,104.72
4. Step 4: Simplify right side
   77,853,186.96x = 4,573,678,390,562,341
5. Step 5: Solve for x
   x = 4,573,678,390,562,341/77,853,186.96
6. Step 6: Final answer
   x = 58,747,478.03