Finding the Fourth Proportional to 61,051.05, 91,434.42 and 59,369.40

Step by Step Solution

1. Step 1: Write the proportion equation
   61,051.05 : 91,434.42 = 59,369.40 : x
2. Step 2: Convert to fraction form
   61,051.05/91,434.42 = 59,369.40/x
3. Step 3: Cross multiply
   61,051.05x = 91,434.42 × 59,369.40
4. Step 4: Simplify right side
   61,051.05x = 5,428,406,654.75
5. Step 5: Solve for x
   x = 5,428,406,654.75/61,051.05
6. Step 6: Final answer
   x = 88,915.86