Finding the Fourth Proportional to 60,865,905.21, 91,083,341.52 and 37,847,679.18

Step by Step Solution

1. Step 1: Write the proportion equation
   60,865,905.21 : 91,083,341.52 = 37,847,679.18 : x
2. Step 2: Convert to fraction form
   60,865,905.21/91,083,341.52 = 37,847,679.18/x
3. Step 3: Cross multiply
   60,865,905.21x = 91,083,341.52 × 37,847,679.18
4. Step 4: Simplify right side
   60,865,905.21x = 3,447,293,088,491,333.50
5. Step 5: Solve for x
   x = 3,447,293,088,491,333.50/60,865,905.21
6. Step 6: Final answer
   x = 56,637,506.28