Finding the Fourth Proportional to 65,953.56, 91,011.62 and 42,077.67

Step by Step Solution

1. Step 1: Write the proportion equation
   65,953.56 : 91,011.62 = 42,077.67 : x
2. Step 2: Convert to fraction form
   65,953.56/91,011.62 = 42,077.67/x
3. Step 3: Cross multiply
   65,953.56x = 91,011.62 × 42,077.67
4. Step 4: Simplify right side
   65,953.56x = 3,829,556,702.14
5. Step 5: Solve for x
   x = 3,829,556,702.14/65,953.56
6. Step 6: Final answer
   x = 58,064.44