Finding the Fourth Proportional to 60,853,093.29, 91,309,607.37 and 28,499,408.15

Step by Step Solution

1. Step 1: Write the proportion equation
   60,853,093.29 : 91,309,607.37 = 28,499,408.15 : x
2. Step 2: Convert to fraction form
   60,853,093.29/91,309,607.37 = 28,499,408.15/x
3. Step 3: Cross multiply
   60,853,093.29x = 91,309,607.37 × 28,499,408.15
4. Step 4: Simplify right side
   60,853,093.29x = 2,602,269,767,997,330
5. Step 5: Solve for x
   x = 2,602,269,767,997,330/60,853,093.29
6. Step 6: Final answer
   x = 42,763,146.91