Finding the Fourth Proportional to 37,388,081.15, 56,034,946.77 and 18,948,659.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,388,081.15 : 56,034,946.77 = 18,948,659.16 : x
2. Step 2: Convert to fraction form
   37,388,081.15/56,034,946.77 = 18,948,659.16/x
3. Step 3: Cross multiply
   37,388,081.15x = 56,034,946.77 × 18,948,659.16
4. Step 4: Simplify right side
   37,388,081.15x = 1,061,787,107,532,546.50
5. Step 5: Solve for x
   x = 1,061,787,107,532,546.50/37,388,081.15
6. Step 6: Final answer
   x = 28,399,080.00