Finding the Fourth Proportional to 77,042,796.84, 106,319,050.47 and 42,235,733.21

Step by Step Solution

1. Step 1: Write the proportion equation
   77,042,796.84 : 106,319,050.47 = 42,235,733.21 : x
2. Step 2: Convert to fraction form
   77,042,796.84/106,319,050.47 = 42,235,733.21/x
3. Step 3: Cross multiply
   77,042,796.84x = 106,319,050.47 × 42,235,733.21
4. Step 4: Simplify right side
   77,042,796.84x = 4,490,463,050,259,849.50
5. Step 5: Solve for x
   x = 4,490,463,050,259,849.50/77,042,796.84
6. Step 6: Final answer
   x = 58,285,306.80