Finding the Fourth Proportional to 61,111,965.30, 91,708,329.15 and 28,773,114.90

Step by Step Solution

1. Step 1: Write the proportion equation
   61,111,965.30 : 91,708,329.15 = 28,773,114.90 : x
2. Step 2: Convert to fraction form
   61,111,965.30/91,708,329.15 = 28,773,114.90/x
3. Step 3: Cross multiply
   61,111,965.30x = 91,708,329.15 × 28,773,114.90
4. Step 4: Simplify right side
   61,111,965.30x = 2,638,734,291,919,969.50
5. Step 5: Solve for x
   x = 2,638,734,291,919,969.50/61,111,965.30
6. Step 6: Final answer
   x = 43,178,684.88