Finding the Fourth Proportional to 37,559,214.18, 56,359,754.55 and 20,287,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,559,214.18 : 56,359,754.55 = 20,287,066.50 : x
2. Step 2: Convert to fraction form
   37,559,214.18/56,359,754.55 = 20,287,066.50/x
3. Step 3: Cross multiply
   37,559,214.18x = 56,359,754.55 × 20,287,066.50
4. Step 4: Simplify right side
   37,559,214.18x = 1,143,374,088,479,527.50
5. Step 5: Solve for x
   x = 1,143,374,088,479,527.50/37,559,214.18
6. Step 6: Final answer
   x = 30,441,906.56