Finding the Fourth Proportional to 55,897.34, 77,136.72 and 30,746.84

Step by Step Solution

1. Step 1: Write the proportion equation
   55,897.34 : 77,136.72 = 30,746.84 : x
2. Step 2: Convert to fraction form
   55,897.34/77,136.72 = 30,746.84/x
3. Step 3: Cross multiply
   55,897.34x = 77,136.72 × 30,746.84
4. Step 4: Simplify right side
   55,897.34x = 2,371,710,387.96
5. Step 5: Solve for x
   x = 2,371,710,387.96/55,897.34
6. Step 6: Final answer
   x = 42,429.75