Finding the Fourth Proportional to 37,276,030.47, 51,445,434 and 21,386,932.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,276,030.47 : 51,445,434 = 21,386,932.81 : x
2. Step 2: Convert to fraction form
   37,276,030.47/51,445,434 = 21,386,932.81/x
3. Step 3: Cross multiply
   37,276,030.47x = 51,445,434 × 21,386,932.81
4. Step 4: Simplify right side
   37,276,030.47x = 1,100,260,040,339,289.50
5. Step 5: Solve for x
   x = 1,100,260,040,339,289.50/37,276,030.47
6. Step 6: Final answer
   x = 29,516,555.99