Finding the Fourth Proportional to 72,070,362.35, 99,455,870.81 and 39,030,343.01

Step by Step Solution

1. Step 1: Write the proportion equation
   72,070,362.35 : 99,455,870.81 = 39,030,343.01 : x
2. Step 2: Convert to fraction form
   72,070,362.35/99,455,870.81 = 39,030,343.01/x
3. Step 3: Cross multiply
   72,070,362.35x = 99,455,870.81 × 39,030,343.01
4. Step 4: Simplify right side
   72,070,362.35x = 3,881,796,751,877,395
5. Step 5: Solve for x
   x = 3,881,796,751,877,395/72,070,362.35
6. Step 6: Final answer
   x = 53,861,207.65