Finding the Fourth Proportional to 59,118,978, 88,668,838.72 and 20,771,540.44

Step by Step Solution

1. Step 1: Write the proportion equation
   59,118,978 : 88,668,838.72 = 20,771,540.44 : x
2. Step 2: Convert to fraction form
   59,118,978/88,668,838.72 = 20,771,540.44/x
3. Step 3: Cross multiply
   59,118,978x = 88,668,838.72 × 20,771,540.44
4. Step 4: Simplify right side
   59,118,978x = 1,841,788,369,240,318
5. Step 5: Solve for x
   x = 1,841,788,369,240,318/59,118,978
6. Step 6: Final answer
   x = 31,153,927.75