Finding the Fourth Proportional to 116,144,886.34, 160,190,417.90 and 72,117,951.94

Step by Step Solution

1. Step 1: Write the proportion equation
   116,144,886.34 : 160,190,417.90 = 72,117,951.94 : x
2. Step 2: Convert to fraction form
   116,144,886.34/160,190,417.90 = 72,117,951.94/x
3. Step 3: Cross multiply
   116,144,886.34x = 160,190,417.90 × 72,117,951.94
4. Step 4: Simplify right side
   116,144,886.34x = 11,552,604,859,360,716
5. Step 5: Solve for x
   x = 11,552,604,859,360,716/116,144,886.34
6. Step 6: Final answer
   x = 99,467,184.68