Finding the Fourth Proportional to 49,279,680.86, 67,985,410.86 and 28,366,709.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,279,680.86 : 67,985,410.86 = 28,366,709.63 : x
2. Step 2: Convert to fraction form
   49,279,680.86/67,985,410.86 = 28,366,709.63/x
3. Step 3: Cross multiply
   49,279,680.86x = 67,985,410.86 × 28,366,709.63
4. Step 4: Simplify right side
   49,279,680.86x = 1,928,522,408,601,941.50
5. Step 5: Solve for x
   x = 1,928,522,408,601,941.50/49,279,680.86
6. Step 6: Final answer
   x = 39,134,230.89