Finding the Fourth Proportional to 61,205,030.10, 91,786,112.55 and 18,062,810.10

Step by Step Solution

1. Step 1: Write the proportion equation
   61,205,030.10 : 91,786,112.55 = 18,062,810.10 : x
2. Step 2: Convert to fraction form
   61,205,030.10/91,786,112.55 = 18,062,810.10/x
3. Step 3: Cross multiply
   61,205,030.10x = 91,786,112.55 × 18,062,810.10
4. Step 4: Simplify right side
   61,205,030.10x = 1,657,915,120,807,876.75
5. Step 5: Solve for x
   x = 1,657,915,120,807,876.75/61,205,030.10
6. Step 6: Final answer
   x = 27,087,889.97