Finding the Fourth Proportional to 139,582,938.34, 209,277,449.60 and 61,817,465.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,582,938.34 : 209,277,449.60 = 61,817,465.98 : x
2. Step 2: Convert to fraction form
   139,582,938.34/209,277,449.60 = 61,817,465.98/x
3. Step 3: Cross multiply
   139,582,938.34x = 209,277,449.60 × 61,817,465.98
4. Step 4: Simplify right side
   139,582,938.34x = 12,937,001,621,029,164
5. Step 5: Solve for x
   x = 12,937,001,621,029,164/139,582,938.34
6. Step 6: Final answer
   x = 92,683,258.96