Finding the Fourth Proportional to 116,144,881.34, 160,190,411.01 and 72,117,946.94

Step by Step Solution

1. Step 1: Write the proportion equation
   116,144,881.34 : 160,190,411.01 = 72,117,946.94 : x
2. Step 2: Convert to fraction form
   116,144,881.34/160,190,411.01 = 72,117,946.94/x
3. Step 3: Cross multiply
   116,144,881.34x = 160,190,411.01 × 72,117,946.94
4. Step 4: Simplify right side
   116,144,881.34x = 11,552,603,561,515,970
5. Step 5: Solve for x
   x = 11,552,603,561,515,970/116,144,881.34
6. Step 6: Final answer
   x = 99,467,177.79