Finding the Fourth Proportional to 90,561.51, 135,798.57 and 37,956.87

Step by Step Solution

1. Step 1: Write the proportion equation
   90,561.51 : 135,798.57 = 37,956.87 : x
2. Step 2: Convert to fraction form
   90,561.51/135,798.57 = 37,956.87/x
3. Step 3: Cross multiply
   90,561.51x = 135,798.57 × 37,956.87
4. Step 4: Simplify right side
   90,561.51x = 5,154,488,667.68
5. Step 5: Solve for x
   x = 5,154,488,667.68/90,561.51
6. Step 6: Final answer
   x = 56,916.99