Finding the Fourth Proportional to 37,640,947.74, 51,944,533.46 and 21,118,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,640,947.74 : 51,944,533.46 = 21,118,791.50 : x
2. Step 2: Convert to fraction form
   37,640,947.74/51,944,533.46 = 21,118,791.50/x
3. Step 3: Cross multiply
   37,640,947.74x = 51,944,533.46 × 21,118,791.50
4. Step 4: Simplify right side
   37,640,947.74x = 1,097,005,771,446,791
5. Step 5: Solve for x
   x = 1,097,005,771,446,791/37,640,947.74
6. Step 6: Final answer
   x = 29,143,946.62