Finding the Fourth Proportional to 61,886,787.99, 85,406,072.27 and 37,111,008.57

Step by Step Solution

1. Step 1: Write the proportion equation
   61,886,787.99 : 85,406,072.27 = 37,111,008.57 : x
2. Step 2: Convert to fraction form
   61,886,787.99/85,406,072.27 = 37,111,008.57/x
3. Step 3: Cross multiply
   61,886,787.99x = 85,406,072.27 × 37,111,008.57
4. Step 4: Simplify right side
   61,886,787.99x = 3,169,505,479,942,009
5. Step 5: Solve for x
   x = 3,169,505,479,942,009/61,886,787.99
6. Step 6: Final answer
   x = 51,214,573.95