Finding the Fourth Proportional to 105,109,790.83, 145,030,474.14 and 58,692,902.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,109,790.83 : 145,030,474.14 = 58,692,902.83 : x
2. Step 2: Convert to fraction form
   105,109,790.83/145,030,474.14 = 58,692,902.83/x
3. Step 3: Cross multiply
   105,109,790.83x = 145,030,474.14 × 58,692,902.83
4. Step 4: Simplify right side
   105,109,790.83x = 8,512,259,526,087,847
5. Step 5: Solve for x
   x = 8,512,259,526,087,847/105,109,790.83
6. Step 6: Final answer
   x = 80,984,458.81