Finding the Fourth Proportional to 113,590,738.58, 156,755,212.59 and 61,379,772.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,590,738.58 : 156,755,212.59 = 61,379,772.76 : x
2. Step 2: Convert to fraction form
   113,590,738.58/156,755,212.59 = 61,379,772.76/x
3. Step 3: Cross multiply
   113,590,738.58x = 156,755,212.59 × 61,379,772.76
4. Step 4: Simplify right side
   113,590,738.58x = 9,621,599,327,557,978
5. Step 5: Solve for x
   x = 9,621,599,327,557,978/113,590,738.58
6. Step 6: Final answer
   x = 84,704,082.81