Finding the Fourth Proportional to 37,657,296.72, 51,967,836.89 and 21,138,612.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,657,296.72 : 51,967,836.89 = 21,138,612.34 : x
2. Step 2: Convert to fraction form
   37,657,296.72/51,967,836.89 = 21,138,612.34/x
3. Step 3: Cross multiply
   37,657,296.72x = 51,967,836.89 × 21,138,612.34
4. Step 4: Simplify right side
   37,657,296.72x = 1,098,527,958,166,061.25
5. Step 5: Solve for x
   x = 1,098,527,958,166,061.25/37,657,296.72
6. Step 6: Final answer
   x = 29,171,715.81