Finding the Fourth Proportional to 37,931,635.69, 52,345,656.61 and 20,527,980.91

Step by Step Solution

1. Step 1: Write the proportion equation
   37,931,635.69 : 52,345,656.61 = 20,527,980.91 : x
2. Step 2: Convert to fraction form
   37,931,635.69/52,345,656.61 = 20,527,980.91/x
3. Step 3: Cross multiply
   37,931,635.69x = 52,345,656.61 × 20,527,980.91
4. Step 4: Simplify right side
   37,931,635.69x = 1,074,550,639,344,841.25
5. Step 5: Solve for x
   x = 1,074,550,639,344,841.25/37,931,635.69
6. Step 6: Final answer
   x = 28,328,613.30