Finding the Fourth Proportional to 36,789,667.31, 50,770,886.99 and 21,111,562.71

Step by Step Solution

1. Step 1: Write the proportion equation
   36,789,667.31 : 50,770,886.99 = 21,111,562.71 : x
2. Step 2: Convert to fraction form
   36,789,667.31/50,770,886.99 = 21,111,562.71/x
3. Step 3: Cross multiply
   36,789,667.31x = 50,770,886.99 × 21,111,562.71
4. Step 4: Simplify right side
   36,789,667.31x = 1,071,852,764,426,150.38
5. Step 5: Solve for x
   x = 1,071,852,764,426,150.38/36,789,667.31
6. Step 6: Final answer
   x = 29,134,614.22