Finding the Fourth Proportional to 30,890,164.50, 42,477,261.57 and 26,808,697.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,890,164.50 : 42,477,261.57 = 26,808,697.62 : x
2. Step 2: Convert to fraction form
   30,890,164.50/42,477,261.57 = 26,808,697.62/x
3. Step 3: Cross multiply
   30,890,164.50x = 42,477,261.57 × 26,808,697.62
4. Step 4: Simplify right side
   30,890,164.50x = 1,138,760,061,155,776.50
5. Step 5: Solve for x
   x = 1,138,760,061,155,776.50/30,890,164.50
6. Step 6: Final answer
   x = 36,864,810.52