Finding the Fourth Proportional to 46,438.05, 64,094.72 and 30,523.98

Step by Step Solution

1. Step 1: Write the proportion equation
   46,438.05 : 64,094.72 = 30,523.98 : x
2. Step 2: Convert to fraction form
   46,438.05/64,094.72 = 30,523.98/x
3. Step 3: Cross multiply
   46,438.05x = 64,094.72 × 30,523.98
4. Step 4: Simplify right side
   46,438.05x = 1,956,425,798.77
5. Step 5: Solve for x
   x = 1,956,425,798.77/46,438.05
6. Step 6: Final answer
   x = 42,129.80